Climate almanac
Karuizawa
Nagano, Japan · 36.35°, 138.63°
What is the weather like in Karuizawa in January?
In January, Karuizawa is typically 40°F (4°C) during the day and 27°F (-3°C) at night. The month brings about 2.3 in (59 mm) of precipitation in total. Snowfall averages about 10 in (259 mm) over the month.
- Average high40°F (4°C)
- Average low27°F (-3°C)
- Precipitation2.3 in (59 mm)
- Clear or mostly clear days16
- Snowfall10 in (259 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)